Added script to reformat 'whatsnew' links for new upcoming format

Author: ismailuddin

doc/source/themes/nature_with_gtoc/layout.html

@@ -105,4 +105,5 @@ <h3 style="margin-top: 1.5em;">{{ _('Search') }}</h3>
     var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
   })();
 </script>
+<script type="text/javascript" src="./_static/js/whatsnew_links.js"></script>
 {% endblock %}